The United States launched missiles at Houthi rebels for the first time during the conflict in Yemen.
The attack comes after missiles were fired from Yemen's coast at a US Navy destroyer in recent days.
US State Department deputy spokesperson Mark Toner says he doesn't think US air strikes will escalate tensions.
IN: "We responded in..."
OUT: "...we've responded."
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US State Department deputy spokesperson Mark Toner says American forces were acting in self defence.
IN: "We're always going..."
OUT: "...into consideration."
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